Anne McElvoy discusses Mein Kampf coming out of copyright with Ben Barkow of the Wiener Library in London, Heinrich von Berenberg – a publisher based in Berlin and Nicholas Stargardt, author of The German War and a professor of Modern European History at Oxford. Photographer Anna Fox and painter Chantal Joffe discuss an exhibition of Julia Margaret Cameron photographs at the Victoria and Albert Museum. New Yorker journalist Larissa MacFarquhar talks to Anne McElvoy about altruism.